... toughness, weather-resistance, friction-resistance Product InstructionProduct NamePU-spraying ink for Silicone Rubber Products Description 1,Outstanding strength and toughness, weather ... - resistance and has passed the test of resisting the chemical solvent : acid, alkali, methanol ,ethanol and so on.4,confronts to ... not in use, re-seal and do not expose it for a long time. PU ink ...